Cut cabbage, carrot, onion, and pork into bite-sized pieces.
Boil the noodles (pasta or soba) and drain.
Heat cooking oil in a pan and stir-fry the pork.
Add the cabbage, carrot, and onion, and stir-fry.
Add the cooked noodles and stir-fry together.
Season with yakisoba sauce or soy sauce and oyster sauce.
Plate and serve.